[FileManager] Do drive search incrementally

chrome/common/extensions/api/file_browser_private.json

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 [
   {
     "namespace":"fileBrowserPrivate",
     "nodoc": "true",
     "types": [
       {
@@ skipping 910 matching lines @@
         "name": "searchGData",
         "type": "function",
         "description": "Performs drive content search.",
         "parameters": [
           {
             "name": "query",
             "description": "Search query.",
             "type": "string"
           },
           {
+            "name": "nextFeed",
+            "type": "string",
+            "description": "ID of the search feed that should be fetched next. Value passed here should be gotten from previous searchGData call. It can be empty for the initial search request."
+          },
+          {
             "name": "callback",
             "type": "function",
             "parameters": [
               {
                 "name": "entries",
                 "type": "array",
                 "items": {
                   "type": "object",
                   "isInstanceOf": "Entry",
                   "description": "Entry representing a search result."
-                }  
+                }
+              },
+              {
+                "name": "nextFeed",
+                "type": "string",
+                "description": "ID of the feed that contains next chunk of the search result. Should be sent to the next searchGData request to perform incremental search."
               }
             ]
           }
         ]
       },
       {
         "name": "getNetworkConnectionState",
         "description": "Retrieves the state of the currently active network connection.",
         "parameters": [
           {
@@ skipping 94 matching lines @@
       },
       {
         "name": "onNetworkConnectionChanged",
         "type": "function",
         "description": "Fired when the active network connection state changes. The network connection state can be retrieved via 'getNetworkConnectionState'.",
         "parameters": []
       }
     ]
   }
 ]